T38/64mm T38/70mm Retrac Button Bit
Specifications
1.T38/64mm,T38/70mm2.spherical button,parabolic button,ballistic
3.drop center,new drop center,flat
4.ISO9001 certificate
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T38/64mm T38/70mm spherical retrac button bit
button type: A.spherical button: universal button,wearing resistance good,best suit to hard ground,180-320MPa,abrasive to very abrasive. B.hemispherical button: universal button,wearing resistance good,best suit to hard ground,170-300MPa,abrasive to very abrasive. C.parabolica button: universal button,fast penetration,best suit to medium to hard rock,100-170MPa,midly abrasive ground. nical button: fast penetration,best suited for smaller diameter bits,suited for all non-abrasive ground types. E.ballistic button: fast penetration,be suited to soft rock,70-140MPa,non abrasive ground.
Extension drilling tools: Button bit, face design: Flat face, Drop centre, Normal and Retrac body. Tungsten carbide (Buttons): Spherical, Ballistic and Conical. (Threaded R32, R38, T38, T45, T51 ; bit diameter: 45mm-127mm); Couplings sleeves- manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve (threaded R22, R25, R28, R32, R38, T38, T45, T51) Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.
Thread Button Bit
R25--38mm, R25--41mm, R28--38mm, R28--41mm R32; R32--45mm, R32--76mm, R32--89mm, R32--102mm T38; T38--64mm, T38--76mm, T38--89mm, T38mm--102mm T45; T45-70mm,T45-76mm,T45--89mm, T45--102mm T51; T51--89mm, T51--115mm, T51--127mm
Related products: we also have extension rod,MF drill rod,coupling,shank adapters.
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